<template>
  <div>
    <div class="search">
      <input v-model="keyworld" class="search-input" type="text" placeholder="输入城市名或拼音" />
    </div>
    <div class="search-content" ref="search" v-show="keyworld">
      <ul>
        <li class="search-item border-bottom" v-for="item of list" :key="item.id" @click="handleCityClick(item.name)">{{item.name}}</li>
        <li class="search-item border-bottom" v-show="hasNodata">没有找到匹配数据</li>
      </ul>
    </div>
  </div>
</template>

<script>
import Bscroll from 'better-scroll'
import { mapMutations } from 'vuex'
export default {
  name: 'CitySearch',
  props: {
    cities:Object
  },
  data () {
    return {
      keyworld:'',
      list:[],
      timer: null
    }
  },
  watch:{
    keyworld (){
      if(this.timer) {
        clearTimeout(this.timer)
      }
      if(!this.keyworld) {
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for(let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.spell.indexOf(this.keyworld) > -1 || value.name.indexOf(this.keyworld) > -1) {
                result.push(value)
              }
            })
        }
        this.list = result
      },100)
    }
  },
  methods:{
    handleCityClick(city) {
            // this.$store.commit('changeCity',city)
            this.changeCity(city)
            this.$router.push('/')
        },
        ...mapMutations(['changeCity'])
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.search)
  },
  computed:{
    hasNodata ()  {
      return !this.list.length
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  .search
    height: .72rem
    padding: 0 .1rem
    background: $bgColor
    .search-input
      box-sizing: border-box
      width: 100%
      height: .62rem
      padding: 0 .1rem
      line-height: .62rem
      text-align: center
      border-radius: .06rem
      color: #666
  .search-content
      overflow: hidden
      z-index :1
      position :absolute
      top :1.58rem
      left :0
      right :0
      bottom :0
      background :#eee
      .search-item
        line-height :.62rem
        padding-left :.2rem
        color :#666
        background :#fff


</style>
